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Cushion|Lab Grown|IGI

1.61ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1 • IGI LG608365884

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG608365884

Diamond specifications and retailer prices

From $508 AUD
$357 USD
As of November 1, 2026
Save $1,755 AUD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,264 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG608365884 or 608365884. Listed at 10 retailers as of November 1, 2026, with prices from $508 to $2,264, a $1,755 spread on the same certified stone. MOH London lists it at $2,264. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.61
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608365884
Dimensions6.86 × 6.83 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.86 mm6.83 mm1.61 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608365884
Side View
Table 61.0%Crown 32.7°Girdle: MED-VTKPavilion 40.3°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,264 AUD|Low: $508 AUD|High: $2,417 AUD|Avg: $1,096 AUD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9$508 AUD
Retailer 10$571 AUD
Retailer 2$723 AUD
Retailer 4$783 AUD
Retailer 7$817 AUD
Retailer 6$917 AUD
Retailer 5$937 AUD
Retailer 3$1,000 AUD
Retailer 8$1,880 AUD
MOH London$2,264 AUD

42 data points across 10 retailers

10 retailers$508 AUD to $2,264 AUD

A
Cheapest Retailer
-
$508 AUD
$357 USD
Final sale: no returns
Retailer 2
-
$571 AUD
$401 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$723 AUD
£400 GBP
View
A
Retailer 4
-
$783 AUD
$550 USD
View
A
Retailer 5
-
$817 AUD
$574 USD
View
A
Retailer 6
-
$917 AUD
$644 USD
View
A
Retailer 7
-
$937 AUD
$658 USD
View
A
Retailer 8
-
$1,000 AUD
£553 GBP
View
B
Retailer 9
-
$1,880 AUD
$1,320 USD
View
Most Expensive
B
MOH London
LG608365884 · Nov 1
$2,264 AUD
£1,252 GBP
View
9 more retailers have this diamond
Prices start from $508 AUDSave up to $1,755 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.61ct Cushion
$508 AUD